NaCl docs: update version information

native_client_sdk/doc_generated/reference/pnacl-bitcode-abi.html

 {{+bindTo:partials.standard_nacl_article}}
 
 <section id="pnacl-bitcode-reference-manual">
 <h1 id="pnacl-bitcode-reference-manual">PNaCl Bitcode Reference Manual</h1>
 <div class="contents local" id="contents" style="display: none">
 <ul class="small-gap">
 <li><a class="reference internal" href="#introduction" id="id1">Introduction</a></li>
 <li><p class="first"><a class="reference internal" href="#high-level-structure" id="id2">High Level Structure</a></p>
 <ul class="small-gap">
 <li><a class="reference internal" href="#data-model" id="id3">Data Model</a></li>
@@ skipping 41 matching lines @@
 </ul>
 </li>
 </ul>
 
 </div><section id="introduction">
 <h2 id="introduction">Introduction</h2>
 <p>This document is a reference manual for the PNaCl bitcode format. It describes
 the bitcode on a <em>semantic</em> level; the physical encoding level will be described
 elsewhere. For the purpose of this document, the textual form of LLVM IR is
 used to describe instructions and other bitcode constructs.</p>
-<p>Since the PNaCl bitcode is based to a large extent on LLVM IR, many sections
-in this document point to a relevant section of the LLVM language reference
-manual. Only the changes, restrictions and variations specific to PNaCl are
-described&#8212;full semantic descriptions are not duplicated from the LLVM
-reference manual.</p>
+<p>Since the PNaCl bitcode is based to a large extent on LLVM IR as of
+version 3.3, many sections in this document point to a relevant section
+of the LLVM language reference manual. Only the changes, restrictions
+and variations specific to PNaCl are described&#8212;full semantic
+descriptions are not duplicated from the LLVM reference manual.</p>
 </section><section id="high-level-structure">
 <h2 id="high-level-structure">High Level Structure</h2>
 <p>A PNaCl portable executable (<strong>pexe</strong> in short) is a single LLVM IR module.</p>
 <section id="data-model">
 <h3 id="data-model">Data Model</h3>
 <p>The data model for PNaCl bitcode is fixed at little-endian ILP32: pointers are
 32 bits in size. 64-bit integer types are also supported natively via the i64
 type (for example, a front-end can generate these from the C/C++ type
 <code>long long</code>).</p>
 <p>Floating point support is fixed at IEEE 754 32-bit and 64-bit values (f32 and
@@ skipping 369 matching lines @@
 <p>The <code>llvm.nacl.atomic.is.lock.free</code> intrinsic is designed to
 determine at translation time whether atomic operations of a certain
 <code>byte_size</code> (a compile-time constant), at a particular <code>address</code>,
 are lock-free or not. This reflects the C11 <code>atomic_is_lock_free</code>
 function from header <code>&lt;stdatomic.h&gt;</code> and the C++11 <code>is_lock_free</code>
 member function in header <code>&lt;atomic&gt;</code>. It can be used through the
 <code>__nacl_atomic_is_lock_free</code> builtin.</p>
 </section></section></section>
 
 {{/partials.standard_nacl_article}}